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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_eio@reset-stress - incomplete - GEM_BUG_ON(!i915_request_completed(rq))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109634">bug 109634</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_eio@reset-stress - incomplete - GEM_BUG_ON(!i915_request_completed(rq))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109634#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_eio@reset-stress - incomplete - GEM_BUG_ON(!i915_request_completed(rq))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109634">bug 109634</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>With any luck, this should be covered by:
commit 9a3b19a16dc28ab717cf1663d09ffee0715b735a
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Wed Feb 13 23:20:47 2019 +0000
drm/i915: Only try to park engines after a failed reset
Currently we try to stop the engine by programming the ring registers to
be disabled before we perform the reset. Sometimes, we see the context
image also have invalid ring registers, which one presumes may be
actually caused by us doing so. Lets risk not doing programming the
ring to zero on the first attempt to avoid preserving that corruption
into the context image, leaving the w/a in place for subsequent
reset attempts.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
Reviewed-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
Link:
<a href="https://patchwork.freedesktop.org/patch/msgid/20190213232047.8486-1-chris@chris-wilson.co.uk">https://patchwork.freedesktop.org/patch/msgid/20190213232047.8486-1-chris@chris-wilson.co.uk</a></pre>
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